| APA | ZRDS. (2012, February 17). In Acronym Geek. Retrieved 02:36, February 17, 2012, from http://www.acronymgeek.com/ZRDS |
| MLA | "ZRDS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ZRDS>. |
| MHRA | 'ZRDS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ZRDS> [accessed 17 February 2012] |
| Chicago | "ZRDS", http://www.acronymgeek.com/ZRDS (accessed February 17, 2012). |
| CBE/CSE | ZRDS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ZRDS. |
| Bluebook | ZRDS, http://www.acronymgeek.com/ZRDS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRDS, http://www.acronymgeek.com/ZRDS (optional description here) (as of Feb. 17, 2012, 02:36). |
| AMA | ZRDS. Acronym Geek. February 17, 2012, 02:36. Available at: http://www.acronymgeek.com/ZRDS. Accessed February 17, 2012, 02:36. |